Padlock.



kept open.l

engage the projection 'l0 and thus prevent the member 7 iroin being pushed hack to its original position and thus the shackle is When it is desired to close thc shackle again the saine is pushed inwardly thus causing the projection 10 to engage with the inclined face 16 to force the member 1l upwardly to allow the member 7 to assume its normal position when the member 1l will he forced by the spring downwardly und the recess 17 will engage with the projection 10.

If an unauthorized person should attempt to open the lock with n key, the key would pass through the key hole and strike the toe 9 and projection 10 and thus prevent the member 1l being moved upwardly.

If he should attempt to open the lock by removing the pin 5 he would be prevented from opening ille shackle by reason of the fact that the member 7 is still held from being lifted up by ineens of the nose 2Q- engaging with the heel tu'.

,Whilerl have shown the casin' with its sides formed integral and only tie bottom detachable I do not Wilshto be limited to this-construction as I may make the sides detachable as Well vas the bottom.

Itis thought from the foregoing that the pivoted therein, an extension Aon the shackle beyond the pivotal point projecting into the 40 casing, a slidable barrel having a key opening therein, a lateral lug on said barrel havrlng an inclined face and a recess at-the end o-l said inclined face,l a lugr on the extension to enter the recess, 'a spring engaging the 4:,

Iharrel to retain said lug in the recess, the lug of the extension being engageable by the key when inserted in the barrel to prevent unlocking of the lock, and a lug in the onsing engaging the extension to assist in reso taining the shackle in locked position.

In testimony whereof I allix my signature in presence of two Witnesses.

ALFREDCONRAD R. JOHNSDORF.

Witnesses: i

JOHN A. SGHREINER, O'rfro O. LUHMAN. 

